Unlock instant, AI-driven research and patent intelligence for your innovation.

Automatic handover oscillation control

A technology of oscillation rate and handover parameters, which is applied in the handover field of mobile station connection

Inactive Publication Date: 2015-02-25
TELEFON AB LM ERICSSON (PUBL)
View PDF3 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Modifying handover parameters can lead to an increase in handoff failures

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Automatic handover oscillation control
  • Automatic handover oscillation control
  • Automatic handover oscillation control

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0041] Functionality including various units denoted or described as "processor", "controller" or "computer" may be provided through the use of dedicated hardware as well as hardware capable of executing software. When provided by a processor, the functionality may be provided by a single dedicated processor, a single shared processor, or by multiple separate processors, some of which may be shared or distributed. Moreover, "processor" and "controller" may include, but are not limited to, digital signal processor (DSP) hardware, ASIC hardware, read-only memory (ROM), random-access memory (RAM), and / or other storage media.

[0042] Examples of switching parameters are hysteresis or switching margin (HOM). When the difference in power or quality of radio signals received from the candidate cell and the current serving cell exceeds the HOM, the UE sends measurements or other reports to the network, which may trigger a handover. Note that the HOM parameter can be a negative numbe...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

A method and apparatus are provided for use in a cellular radio communication system for adjusting a handover parameter. Information is collected regarding actual handovers that have occurred between one or more pairs of cells as well as handover failures. The collected handover information is processed to determine a handover oscillation rate or a handover cost associated with the cell pair. If the handover performance is determined to be acceptable, the determined handover oscillation rate or the determined handover cost is compared with a predetermined target handover oscillation rate or a predetermined target handover cost, respectively. One or more handover parameters associated with at least one of the cells in the cell pair is adjusted based on the comparison.

Description

technical field [0001] The technical field relates to wireless communications, and in particular to controlling the handover of mobile station connections in cellular communications systems. Background technique [0002] A mobile radio communication system, such as a UMTS (Universal Mobile Telecommunications System) type system, comprises a mobile radio communication network communicating with mobile terminals or UEs (User Equipment) and external networks. Traditionally, communications are facilitated using one or more radio base stations that provide radio coverage for one or more cell areas. Various standards for cellular mobile communications include procedures for handing over different UEs from one cell to another based on experienced radio conditions (eg, UEs in motion). This is the case for 3GPP (Third Generation Partnership Project) standards such as GSM (Global System for Mobile Communications), WCDMA (Wideband Code Division Multiple Access), or LTE (Long Term Evol...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H04W36/24
CPCH04W36/385
Inventor 杰泽·阿朗索-鲁比奥弗雷德里克·贡纳尔松
Owner TELEFON AB LM ERICSSON (PUBL)